The Xpress™TRX with Balloon Beach Wheels can adjust from 5.5" to 23" wide. This allows it to fit nearly all scupper style kayaks. The padded uprights protect the hull from abrasion and firmly hold the kayak in place during transport. With a maximum load rating of 150 lb (68 kg), this cart can handle most sit-on-top recreational boats with gear. Constructed of tough marine grade aluminum and finished with a silver anodized surface for long term dependable service. Features include adjustable mark-proof rubber padding, corrosion resistant hardware and a fold-away kick-stand for stationary stability. Island Surf and Sail knows this cart will be perfect for you.